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Finding the Fourth Proportional to 118,842.75, 178,041.65 and 59,609.07

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Solution

The fourth proportional to 118,842.75, 178,041.65 and 59,609.07 is: 89,302.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,842.75 : 178,041.65 = 59,609.07 : x
  2. Step 2: Convert to fraction form
    118,842.75/178,041.65 = 59,609.07/x
  3. Step 3: Cross multiply
    118,842.75x = 178,041.65 × 59,609.07
  4. Step 4: Simplify right side
    118,842.75x = 10,612,896,879.72
  5. Step 5: Solve for x
    x = 10,612,896,879.72/118,842.75
  6. Step 6: Final answer
    x = 89,302.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.